#include "bits/stdc++.h"
using namespace std;
// #define endl '\n'
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pii>
#define vll vector<pll>
#define all(x) x.begin(), x.end()
#define fastio\
ios_base::sync_with_stdio(0);\
cin.tie(0);\
cout.tie(0)\
const int sz = 2e3 + 5;
int a[sz], b[sz], dp[sz][sz], f[sz][sz], n, m;
pii p[sz][sz];
signed main(){
cin >> n >> m;
for(int i = 1; i <= n; i++){
cin >> a[i];
}
for(int i = 1; i <= m; i++){
cin >> b[i];
}
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i] == b[j]){
dp[i][j] = dp[i - 1][j - 1] + 1;
p[i][j] = {i - 1, j - 1};
if(dp[i][j] == 1){
f[i][j] = a[i];
}
}
else{
if(dp[i - 1][j] == dp[i][j - 1]){
if(f[i - 1][j] < f[j - 1][i]){
f[i][j] = f[i - 1][j];
p[i][j] = {i - 1, j};
}
else{
f[i][j] = f[i][j - 1];
p[i][j] = {i, j - 1};
}
}
if(dp[i - 1][j] > dp[i][j - 1]){
dp[i][j] = dp[i - 1][j];
p[i][j] = {i - 1, j};
f[i][j] = f[i - 1][j];
}
else{
dp[i][j] = dp[i][j- 1];
p[i][j] = {i, j - 1};
f[i][j] = f[i][j - 1];
}
}
}
}
vi v;
int x = n, y = m;
while(x != 0 and y != 0){
int xx = p[x][y].first, yy= p[x][y].second;
if(dp[x][y] == dp[xx][yy] + 1){
v.push_back(a[x]);
}
x = xx, y = yy;
}
reverse(all(v));
if(v.size() == 0){
cout << n + m << endl;
if(a[1] < b[1]){
for(int i = 1; i <= n; i++) cout << a[i] << " ";
for(int i = 1; i <= m; i++) cout << b[i] << " ";
}
else{
for(int i = 1; i <= m; i++) cout << b[i] << " ";
for(int i = 1; i <= n; i++) cout << a[i] << " ";
}
return 0;
}
vi res;
int i = 1, j = 1, ind = 0;
while(i <= n and j <= m and ind < v.size()){
if(a[i] < b[j]){
while(a[i] != v[ind] and i <= n) res.push_back(a[i++]);
while(b[j] != v[ind] and j <= m) res.push_back(b[j++]);
}
else{
while(b[j] != v[ind] and j <= m) res.push_back(b[j++]);
while(a[i] != v[ind] and i <= n) res.push_back(a[i++]);
}
res.push_back(v[ind++]);
i++, j++;
}
while(i <= n) res.push_back(a[i++]);
while(j <= m) res.push_back(b[j++]);
cout << res.size() << endl;
for(int i : res){
cout << i << " ";
}
}
Compilation message
Crypto.cpp: In function 'int main()':
Crypto.cpp:87:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
87 | while(i <= n and j <= m and ind < v.size()){
| ~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1072 ms |
212 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1072 ms |
212 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1039 ms |
212 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1072 ms |
212 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1072 ms |
212 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
